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US2683560A
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Method and apparatus for delidding baking pans
Assignee: STROEHMANN BROTHERS Co
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Filing: 1951-11-27
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Granted: 1954-07-13
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Emil G Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:06
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306477A
Cited
US1949847A
Cited
US2144547A
Cited
US2200116A
Cited
US2353736A
Cited
US2524656A
Cited
US2470253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |